Fractals - Martin Sandin
A Java applet that allows you to zoom in on the Mandelbrot set. Buttons are in Swedish, but the interface is straightforward and translation is provided. Also includes a few sample images.
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FractaSketch - Peter Van Roy
FractaSketch is a drawing tool for Macintosh based on linear fractal geometry. The program allows, by direct manipulation (no equations), full control over the shape, complexity, and colorization of the fractal. Downloadable freeware, flyer, user manual,
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Fractiles-7 - Max Pelletier, Beverly Johnson
Magnetic tiles that use angles based on the number 7 and allow you to make designs with repeating and non-repeating patterns. Create starbursts, spirals, butterflies, mandalas, flowers, spaceships, and more. Offers a good way to introduce tiling theory
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The Fractint Wishlist - The Stone Soup Group
A forum for collecting ideas about what needs to be done to keep Fractint in its place as "(probably) the best fractal generator," with a link to download the source code and the executable, directions for joining the fractint mailing list, and archived
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Fractions, Cycles, and Time - Ivars Peterson (MathTrek)
In ancient times, people had to confront awkward numbers in astronomical contexts when they compared the motions of the sun and moon. The unfailing, daily passages of the sun across the sky and the corresponding movements of the stars at night represented
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Fragments of the Past - Ivars Peterson (MathLand)
Historians of mathematics now generally agree that scholars in China, India, and the Islamic world produced remarkably sophisticated mathematics between the fifth and the fifteenth centuries. However, most would probably still argue that Europeans in
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Francophone Mathematics Resources - Gatwood/Peckham
An alphabetical list of links to math resources in French, including math departments, journals, centers and labs, libraries, etc. in both France and Canada. This list was created by David A. Gatwood from a list by Bob Peckham (TennesseeBob).
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Fraperdec* (SMILE) - Connie Taylor, Holy Angels School
A lesson that uses playing cards to enrich and develop skills in conversion and sequencing of fractions, decimals and percentages, both in each individual set and in cross sets. From the Recreational and Creative Math section of a collection of almost
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Free Daily Sudoku Puzzles
For this canonical puzzle the aim is to fill every square in the 9x9 grid with a number 1-9. Every row, every column, and every 3x3 box must contain the digits 1 through 9. Free Daily Sudoku has online puzzles and daily puzzles by email or RSS feed. Also
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Free Doughnuts - Web Feats Workshop II
You have a piece of cardboard 24 by 15 inches. Your problem is to figure out how much to cut out of each corner to make the box with the biggest (maximum) volume. Use the applet to explore how changing the size of the cutout changes the box. This workshop
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The Free Fall Research Page - Green Harbor Publications
Accounts of people who "have survived a fall of thousands of feet without a working parachute." In particular, learn facts about "falling math" -- how to calculate terminal velocity -- and download the Free Fall Research Page Speed Conversion Table, which
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freemathtexts.org - Alain Schremmer
Original texts that emphasize a very few but very powerful ideas; appeal to common sense and make no assumption of any kind about the students; and focus on helping readers convince themselves about mathematics. Written for use in developmental mathematics
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Free Online Unit Converter
Convert quantities of mass, area, angle, length, volume, pressure, temperature, and data storage by selecting the unit of measures from pull-down menus. This utility from PDFConverter.com also adjusts the current time according to time zones.
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Free Puzzles - Jimmie Dean
A collection of puzzles and brainteasers, divided into geometry, logic, math, weight, moves, and miscellaneous. Each puzzle includes a hint, and solutions are available through e-mail. Online games and puzzles include a chess knight game and Hangman.
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